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    <title>Document</title>
    <script>
        //利用new Object 创建对象
        var obj = new Object();  //创建了一个空对象
        obj.uname = '张三疯';     //
        obj.age = 18;
        obj.sex = '男';

        obj.sayHi = function () {
            console.log('hello');
        }

        //1)我们是利用等号=赋值的方法 添加对象的属性和方法
        //2)每个属性和方法之间用分号结束
        console.log(obj.uname);
        console.log(obj.sex);
        console.log(obj['sex']);  //第二种调用方式
        obj.sayHi();

    </script>
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